ingress-nginx與nginx ingress不是一個東西

看了兩週的文檔才發現 Ingress-NginxNginx Ingress 不是同一個東西, 兩者的功能和實現方式都不一樣. 並且還有指導遷移的文檔.

Ingress-NGINX 是社區版, 參與討論的人數更多, 搜索到的答案更多. NGINX Ingress 是商業版, 功能更多, 但是社區參與度更低.

根據 Deploy with NGINX Ingress Controller - Overview

NGINX Ingress Controller can be used for free with NGINX Open Source. Paying customers have access to NGINX Ingress Controller with NGINX Plus. To deploy NGINX Ingress Controller with NGINX Service Mesh, you must use either:

Open Source NGINX Ingress Controller version 3.0+ NGINX Plus version of NGINX Ingress Controller Visit the NGINX Ingress Controller product page for more information.

NGINX Ingress Controller 可以通過 NGINX Open Source 免費使用. 付費客戶可以通過 NGINX Plus 訪問 NGINX Ingress Controller.

另外 nginx 的商業版官網已遷移至www.f5.com

Nginx Ingress Controller 的產品頁在https://www.f5.com/products/nginx/nginx-ingress-controller

這篇 2021.05 的博文對比了它們的區別: There are two Nginx Ingress Controllers for k8s. What?

Aspect or Featurekubernetes/ingress-nginxnginxinc/kubernetes-ingress with NGINXnginxinc/kubernetes-ingress with NGINX Plus
Fundamental
AuthorsKubernetes communityNGINX Inc and communityNGINX Inc and community
NGINX versionCustom NGINX build that includes several third-party modulesNGINX official mainline buildNGINX Plus
Commercial supportN/AN/AIncluded
Implemented inGo/Lua (while Nginx is written in C)Go/PythonGo/Python
Load balancing configuration via the Ingress resource
Merging Ingress rules with the same hostSupportedSupported via Mergeable IngressesSupported via Mergeable Ingresses
HTTP load balancing extensions - AnnotationsSee the supported annotationsSee the supported annotationsSee the supported annotations
HTTP load balancing extensions – ConfigMapSee the supported ConfigMap keysSee the supported ConfigMap keysSee the supported ConfigMap keys
TCP/UDPSupported via a ConfigMapSupported via custom resourcesSupported via custom resources
WebsocketSupportedSupported via an annotationSupported via an annotation
TCP SSL PassthroughSupported via a ConfigMapSupported via custom resourcesSupported via custom resources
JWT validationNot supportedNot supportedSupported
Session persistenceSupported via a third-party moduleNot supportedSupported
Canary testing (by header, cookie, weight)Supported via annotationsSupported via custom resourcesSupported via custom resources
Configuration templatesSee the templateSee the templatesSee the templates
Load balancing configuration via Custom Resources
HTTP load balancingNot supportedSee VirtualServer and VirtualServerRoute resourcesSee VirtualServer and VirtualServerRoute resources
TCP/UDP load balancingNot supportedSee TransportServer resourceSee TransportServer resource
TCP SSL Passthrough load balancingNot supportedSee TransportServer resourceSee TransportServer resource
Deployment
Command-line argumentsSee the argumentsSee the argumentsSee the arguments
TLS certificate and key for the default serverRequired as a command-line argument/ auto-generatedRequired as a command-line argumentRequired as a command-line argument
Helm chartSupportedSupportedSupported
OperatorNot supportedSupportedSupported
Operational
Reporting the IP address(es) of the Ingress controller into Ingress resourcesSupportedSupportedSupported
Extended StatusSupported via a third-party moduleNot supportedSupported
Prometheus IntegrationSupportedSupportedSupported
Dynamic reconfiguration of endpoints (no configuration reloading)Supported with a third-party Lua moduleNot supportedSupported